nix-configs/modules/utils.nix

{ pkgs, lib }: rec {
  # taken from https://github.com/NixOS/nixpkgs/blob/3650808d85dccbfa3be3d785dfd3ce33a757bd2c/pkgs/build-support/trivial-builders/default.nix#L335
  writeNuShellApplication =
    { name
    , text
    , runtimeInputs ? [ ]
    , meta ? { }
    , checkPhase ? null
    }:
    writeTextFile {
      inherit name meta;
      executable = true;
      destination = "/bin/${name}";
      allowSubstitutes = true;
      preferLocalBuild = false;
      text = ''
        #!${pkgs.nushell}
      '' + lib.optionalString (runtimeInputs != [ ]) ''

        $env.PATH = ($env.PATH | split row (char esep) | prepend '${lib.makeBinPath runtimeInputs}');
      '' + ''

        ${text}
      '';

      checkPhase =
        # GHC (=> shellcheck) isn't supported on some platforms (such as risc-v)
        # but we still want to use writeShellApplication on those platforms
        if checkPhase == null then ''
          runHook preCheck

          nu -c "nu-check -d $target"
          
          runHook postCheck
        ''
        else checkPhase;
    };
  packageNushellApplication = 
    { name
    , path 
    , runtimeInputs ? [ ]
    , meta ? { }
    , checkPhase ? null
    }:
    writeNuShellApplication {
      inherit name runtimeInputs meta checkPhase;
      text = builtins.readFile path;
    };
}